Games like Royal Roads 3 Portal
Games like Royal Roads 3 Portal include Plants vs. Zombies GOTY Edition, Mini Motorways, Terra Nil, Bejeweled® 3, and Mini Metro. We matched them by the tags players give Royal Roads 3 Portal on Steam (Casual, Strategy, Puzzle, Isometric, and Medieval): closest matches first, and among equally close ones the better-known games.

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Singleplayer

Mini Motorways
Shared: Strategy · Casual · Puzzle

Terra Nil
Shared: Strategy · Puzzle · Casual

Bejeweled® 3
Shared: Casual · Puzzle · Strategy

Mini Metro
Shared: Strategy · Puzzle · Casual

Bloons TD 6
Shared: Strategy · Casual · Singleplayer

Peggle Deluxe
Shared: Casual · Puzzle · Singleplayer

Hitman GO: Definitive Edition
Shared: Strategy · Puzzle · Casual

Mount & Blade II: Bannerlord
Shared: Strategy · Medieval · Singleplayer

Hexcells
Shared: Casual · Puzzle · Strategy

Zup! S
Shared: Casual · Puzzle · Singleplayer

Kingdom Rush - Tower Defense
Shared: Strategy · Casual · Singleplayer

Death Coming/死神来了
Shared: Casual · Strategy · Puzzle

Monument Valley
Shared: Puzzle · Casual · Singleplayer

Lara Croft GO
Shared: Puzzle · Casual · Isometric

Crazy Machines 3
Shared: Puzzle · Strategy · Casual

Scribblenauts Unlimited
Shared: Casual · Puzzle · Singleplayer

Age of Empires II (Retired)
Shared: Strategy · Medieval · Singleplayer

Dorfromantik
Shared: Puzzle · Casual · Strategy

Hexcells Infinite
Shared: Casual · Puzzle · Strategy

Game Dev Tycoon
Shared: Strategy · Casual · Singleplayer

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Casual · Singleplayer

Pixel Puzzles: Japan
Shared: Casual · Puzzle · Strategy

Peggle™ Nights
Shared: Casual · Puzzle · Singleplayer